NVIDIA GeForce GTX 480 Core 512 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GTX 480 Core 512 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 645 OEM 's Advantages

64 additional rendering cores

Lower TDP (65W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512 +13%

1.078 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 480 Core 512

VS

GeForce GTX 645 OEM

Graphics Card

Unknown

Release Date

Apr 2013

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

1000 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

134.4GB/s

Bandwidth

64.00GB/s

Render Config

16

SM Count

-

Compute Units

-

512

Shading Units

576

64

TMUs

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

256 KB

Theoretical Performance

16.86 GPixel/s

Pixel Rate

9.888 GPixel/s

33.73 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

1078 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Graphics Processor

GF100

GPU Name

GK106

GF100-ES-DT1-A2

GPU Variant

GK106-200-A1

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

2.54 billion

529 mm²

Die Size

221 mm²

Board Design

375W

TDP

65W

750 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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